Overview
| Uniprot ID | O75339 |
| Protein Name | Cartilage intermediate layer protein 1 |
| Gene Name | CILP |
| Organism | Homo sapiens |
Kla Sites from experimental identification
| Position |
Flanking peptide |
| 1088 |
DQDPRTAKEIALGRC |
| 871 |
HEDPRVKKTAFQISM |
| 959 |
RACYIKVKIVGPLEV |
Function
Probably plays a role in cartilage scaffolding. May act by antagonizing TGF-beta1 (TGFB1) and IGF1 functions. Has the ability to suppress IGF1-induced proliferation and sulfated proteoglycan synthesis, and inhibits ligand-induced IGF1R autophosphorylation. May inhibit TGFB1-mediated induction of cartilage matrix genes via its interaction with TGFB1. Overexpression may lead to impair chondrocyte growth and matrix repair and indirectly promote inorganic pyrophosphate (PPi) supersaturation in aging and osteoarthritis cartilage
Protein Sequence
10
MVGTKAWVFS
20
FLVLEVTSVL
30
GRQTMLTQSV
40
RRVQPGKKNP
50
SIFAKPADTL
60
ESPGEWTTWF
70
NIDYPGGKGD
80
YERLDAIRFY
90
YGDRVCARPL
100
RLEARTTDWT
110
PAGSTGQVVH
120
GSPREGFWCL
130
NREQRPGQNC
140
SNYTVRFLCP
150
PGSLRRDTER
160
IWSPWSPWSK
170
CSAACGQTGV
180
QTRTRICLAE
190
MVSLCSEASE
200
EGQHCMGQDC
210
TACDLTCPMG
220
QVNADCDACM
230
CQDFMLHGAV
240
SLPGGAPASG
250
AAIYLLTKTP
260
KLLTQTDSDG
270
RFRIPGLCPD
280
GKSILKITKV
290
KFAPIVLTMP
300
KTSLKAATIK
310
AEFVRAETPY
320
MVMNPETKAR
330
RAGQSVSLCC
340
KATGKPRPDK
350
YFWYHNDTLL
360
DPSLYKHESK
370
LVLRKLQQHQ
380
AGEYFCKAQS
390
DAGAVKSKVA
400
QLIVIASDET
410
PCNPVPESYL
420
IRLPHDCFQN
430
ATNSFYYDVG
440
RCPVKTCAGQ
450
QDNGIRCRDA
460
VQNCCGISKT
470
EEREIQCSGY
480
TLPTKVAKEC
490
SCQRCTETRS
500
IVRGRVSAAD
510
NGEPMRFGHV
520
YMGNSRVSMT
530
GYKGTFTLHV
540
PQDTERLVLT
550
FVDRLQKFVN
560
TTKVLPFNKK
570
GSAVFHEIKM
580
LRRKKPITLE
590
AMETNIIPLG
600
EVVGEDPMAE
610
LEIPSRSFYR
620
QNGEPYIGKV
630
KASVTFLDPR
640
NISTATAAQT
650
DLNFINDEGD
660
TFPLRTYGMF
670
SVDFRDEVTS
680
EPLNAGKVKV
690
HLDSTQVKMP
700
EHISTVKLWS
710
LNPDTGLWEE
720
EGDFKFENQR
730
RNKREDRTFL
740
VGNLEIRERR
750
LFNLDVPESR
760
RCFVKVRAYR
770
SERFLPSEQI
780
QGVVISVINL
790
EPRTGFLSNP
800
RAWGRFDSVI
810
TGPNGACVPA
820
FCDDQSPDAY
830
SAYVLASLAG
840
EELQAVESSP
850
KFNPNAIGVP
860
QPYLNKLNYR
870
RTDHEDPRVK
880
KTAFQISMAK
890
PRPNSAEESN
900
GPIYAFENLR
910
ACEEAPPSAA
920
HFRFYQIEGD
930
RYDYNTVPFN
940
EDDPMSWTED
950
YLAWWPKPME
960
FRACYIKVKI
970
VGPLEVNVRS
980
RNMGGTHRQT
990
VGKLYGIRDV
1000
RSTRDRDQPN
1010
VSAACLEFKC
1020
SGMLYDQDRV
1030
DRTLVKVIPQ
1040
GSCRRASVNP
1050
MLHEYLVNHL
1060
PLAVNNDTSE
1070
YTMLAPLDPL
1080
GHNYGIYTVT
1090
DQDPRTAKEI
1100
ALGRCFDGTS
1110
DGSSRIMKSN
1120
VGVALTFNCV
1130
ERQVGRQSAF
1140
QYLQSTPAQS
1150
PAAGTVQGRV
1160
PSRRQQRASR
1170
GGQRQGGVVA
1180
SLRFPRVAQQ
PLIN
Gene Ontology
| Classification |
GO ID |
Description |
| Cellular Component |
GO:0070062 |
extracellular exosome |
| Cellular Component |
GO:0031012 |
extracellular matrix |
| Cellular Component |
GO:0005615 |
extracellular space |
| Biological Process |
GO:0010629 |
negative regulation of gene expression |
| Biological Process |
GO:0043569 |
negative regulation of insulin-like growth factor receptor signaling pathway |
| Biological Process |
GO:0060392 |
negative regulation of SMAD protein signal transduction |
| Biological Process |
GO:0030512 |
negative regulation of transforming growth factor beta receptor signaling pathway |
Reference
[1] Lin Y, Chen M, Wang D, Yu Y, Chen R et al.. Multi-Proteomic Analysis Reveals the Effect of Protein Lactylation on Matrix and Cholesterol Metabolism in Tendinopathy.. J Proteome Res 22(6):1712-1722. 2023 Jun 2. PMID: 37159428.